/* * Copyright (c) 2014-2016, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #include "test/nfit_test.h" #include <linux/blkdev.h> #include <pmem.h> #include <nd.h> long pmem_direct_access(struct block_device *bdev, sector_t sector, void **kaddr, pfn_t *pfn, long size) { struct pmem_device *pmem = bdev->bd_queue->queuedata; resource_size_t offset = sector * 512 + pmem->data_offset; if (unlikely(is_bad_pmem(&pmem->bb, sector, size))) return -EIO; /* * Limit dax to a single page at a time given vmalloc()-backed * in the nfit_test case. */ if (get_nfit_res(pmem->phys_addr + offset)) { struct page *page; *kaddr = pmem->virt_addr + offset; page = vmalloc_to_page(pmem->virt_addr + offset); *pfn = page_to_pfn_t(page); dev_dbg_ratelimited(disk_to_dev(bdev->bd_disk)->parent, "%s: sector: %#llx pfn: %#lx\n", __func__, (unsigned long long) sector, page_to_pfn(page)); return PAGE_SIZE; } *kaddr = pmem->virt_addr + offset; *pfn = phys_to_pfn_t(pmem->phys_addr + offset, pmem->pfn_flags); /* * If badblocks are present, limit known good range to the * requested range. */ if (unlikely(pmem->bb.count)) return size; return pmem->size - pmem->pfn_pad - offset; } inux/net-next.git/log/net/rds/tcp.h'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/net/rds/tcp.h?id=6bb19474391d17954fee9a9997ecca25b35dfd46'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/net/rds/tcp.h?id=6bb19474391d17954fee9a9997ecca25b35dfd46'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/rds/tcp.h?id=6bb19474391d17954fee9a9997ecca25b35dfd46'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/rds/tcp.h'> <input type='hidden' name='id' value='6bb19474391d17954fee9a9997ecca25b35dfd46'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=6bb19474391d17954fee9a9997ecca25b35dfd46'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=6bb19474391d17954fee9a9997ecca25b35dfd46'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/rds?id=6bb19474391d17954fee9a9997ecca25b35dfd46'>rds</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/rds/tcp.h?id=6bb19474391d17954fee9a9997ecca25b35dfd46'>tcp.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/rds/tcp.h?id=6bb19474391d17954fee9a9997ecca25b35dfd46&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>